1 files changed, 1 insertions, 0 deletions
diff --git a/strmap.h b/strmap.h
index 8745b7ceb1..c4c104411b 100644
--- a/strmap.h
+++ b/strmap.h
@@ -14,6 +14,7 @@ struct strmap_entry {
 	struct hashmap_entry ent;
 	const char *key;
 	void *value;
+	/* strmap_entry may be allocated extra space to store the key at end */
 };
 
 int cmp_strmap_entry(const void *hashmap_cmp_fn_data,